./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/elimination_max.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/elimination_max.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9d0e89ee237165e6cd15cb730148b321ca31eb .................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/verifythis/elimination_max.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9d0e89ee237165e6cd15cb730148b321ca31eb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:10:31,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:10:31,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:10:31,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:10:31,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:10:31,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:10:31,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:10:31,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:10:31,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:10:31,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:10:31,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:10:31,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:10:31,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:10:31,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:10:31,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:10:31,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:10:31,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:10:31,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:10:31,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:10:31,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:10:31,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:10:31,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:10:31,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:10:31,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:10:31,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:10:31,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:10:31,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:10:31,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:10:31,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:10:31,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:10:31,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:10:31,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:10:31,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:10:31,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:10:31,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:10:31,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:10:31,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:10:31,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:10:31,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:10:31,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:10:31,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:10:31,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:10:31,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:10:31,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:10:31,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:10:31,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:10:31,439 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:10:31,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:10:31,439 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:10:31,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:10:31,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:10:31,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:10:31,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:10:31,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:10:31,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:10:31,442 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:10:31,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:10:31,442 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:10:31,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:10:31,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:10:31,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:10:31,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:10:31,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:10:31,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:10:31,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:10:31,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:10:31,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:10:31,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:10:31,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:10:31,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:10:31,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:10:31,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9d0e89ee237165e6cd15cb730148b321ca31eb [2019-11-28 17:10:31,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:10:31,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:10:31,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:10:31,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:10:31,763 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:10:31,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max.c [2019-11-28 17:10:31,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a16cd1e/17f0b6c68ac14314a6364dd6161e5af3/FLAGe67ed0481 [2019-11-28 17:10:32,344 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:10:32,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max.c [2019-11-28 17:10:32,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a16cd1e/17f0b6c68ac14314a6364dd6161e5af3/FLAGe67ed0481 [2019-11-28 17:10:32,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a16cd1e/17f0b6c68ac14314a6364dd6161e5af3 [2019-11-28 17:10:32,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:10:32,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:10:32,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:10:32,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:10:32,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:10:32,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:32,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf4c1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32, skipping insertion in model container [2019-11-28 17:10:32,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:32,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:10:32,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:10:32,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:10:32,933 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:10:32,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:10:32,979 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:10:32,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32 WrapperNode [2019-11-28 17:10:32,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:10:32,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:10:32,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:10:32,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:10:33,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:33,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:33,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:10:33,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:10:33,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:10:33,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:10:33,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:33,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:33,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:33,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:33,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:33,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:33,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (1/1) ... [2019-11-28 17:10:33,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:10:33,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:10:33,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:10:33,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:10:33,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:10:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 17:10:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:10:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:10:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 17:10:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 17:10:33,464 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:10:33,464 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-28 17:10:33,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:33 BoogieIcfgContainer [2019-11-28 17:10:33,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:10:33,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:10:33,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:10:33,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:10:33,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:10:32" (1/3) ... [2019-11-28 17:10:33,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10cd295b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:10:33, skipping insertion in model container [2019-11-28 17:10:33,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:32" (2/3) ... [2019-11-28 17:10:33,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10cd295b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:10:33, skipping insertion in model container [2019-11-28 17:10:33,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:33" (3/3) ... [2019-11-28 17:10:33,474 INFO L109 eAbstractionObserver]: Analyzing ICFG elimination_max.c [2019-11-28 17:10:33,484 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:10:33,491 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-28 17:10:33,503 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-28 17:10:33,525 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:10:33,525 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:10:33,525 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:10:33,525 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:10:33,525 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:10:33,526 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:10:33,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:10:33,526 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:10:33,539 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-11-28 17:10:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 17:10:33,545 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:10:33,546 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:10:33,546 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:10:33,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:10:33,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1804411268, now seen corresponding path program 1 times [2019-11-28 17:10:33,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:10:33,563 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553024081] [2019-11-28 17:10:33,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:10:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:33,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553024081] [2019-11-28 17:10:33,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:10:33,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:10:33,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88897807] [2019-11-28 17:10:33,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:10:33,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:10:33,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:10:33,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:10:33,720 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-11-28 17:10:33,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:10:33,739 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-11-28 17:10:33,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:10:33,740 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-28 17:10:33,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:10:33,750 INFO L225 Difference]: With dead ends: 35 [2019-11-28 17:10:33,750 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 17:10:33,754 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:10:33,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 17:10:33,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 17:10:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 17:10:33,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2019-11-28 17:10:33,790 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 7 [2019-11-28 17:10:33,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:10:33,791 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2019-11-28 17:10:33,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:10:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2019-11-28 17:10:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 17:10:33,793 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:10:33,793 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:10:33,793 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:10:33,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:10:33,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1804113358, now seen corresponding path program 1 times [2019-11-28 17:10:33,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:10:33,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146422470] [2019-11-28 17:10:33,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:10:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:33,899 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 17:10:33,904 INFO L168 Benchmark]: Toolchain (without parser) took 1227.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:33,905 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:10:33,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:33,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:33,907 INFO L168 Benchmark]: Boogie Preprocessor took 25.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:10:33,908 INFO L168 Benchmark]: RCFGBuilder took 343.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:33,909 INFO L168 Benchmark]: TraceAbstraction took 434.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:33,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 343.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 434.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 17:10:35,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:10:35,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:10:35,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:10:35,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:10:36,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:10:36,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:10:36,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:10:36,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:10:36,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:10:36,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:10:36,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:10:36,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:10:36,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:10:36,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:10:36,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:10:36,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:10:36,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:10:36,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:10:36,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:10:36,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:10:36,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:10:36,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:10:36,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:10:36,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:10:36,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:10:36,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:10:36,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:10:36,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:10:36,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:10:36,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:10:36,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:10:36,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:10:36,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:10:36,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:10:36,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:10:36,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:10:36,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:10:36,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:10:36,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:10:36,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:10:36,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 17:10:36,103 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:10:36,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:10:36,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:10:36,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:10:36,108 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:10:36,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:10:36,109 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:10:36,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:10:36,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:10:36,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:10:36,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:10:36,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:10:36,110 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 17:10:36,111 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 17:10:36,111 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:10:36,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:10:36,111 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:10:36,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:10:36,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:10:36,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:10:36,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:10:36,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:10:36,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:10:36,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:10:36,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:10:36,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:10:36,114 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 17:10:36,114 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 17:10:36,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:10:36,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:10:36,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 17:10:36,115 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9d0e89ee237165e6cd15cb730148b321ca31eb [2019-11-28 17:10:36,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:10:36,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:10:36,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:10:36,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:10:36,468 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:10:36,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/elimination_max.c [2019-11-28 17:10:36,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2422fd91f/ccf65aaa415040da86262f7a34841b3b/FLAGec0bc7409 [2019-11-28 17:10:36,983 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:10:36,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/elimination_max.c [2019-11-28 17:10:36,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2422fd91f/ccf65aaa415040da86262f7a34841b3b/FLAGec0bc7409 [2019-11-28 17:10:37,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2422fd91f/ccf65aaa415040da86262f7a34841b3b [2019-11-28 17:10:37,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:10:37,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:10:37,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:10:37,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:10:37,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:10:37,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48772903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37, skipping insertion in model container [2019-11-28 17:10:37,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:10:37,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:10:37,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:10:37,660 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:10:37,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:10:37,775 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:10:37,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37 WrapperNode [2019-11-28 17:10:37,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:10:37,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:10:37,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:10:37,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:10:37,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:10:37,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:10:37,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:10:37,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:10:37,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (1/1) ... [2019-11-28 17:10:37,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:10:37,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:10:37,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:10:37,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:10:37,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:10:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 17:10:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 17:10:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:10:37,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:10:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 17:10:38,237 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:10:38,237 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-28 17:10:38,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:38 BoogieIcfgContainer [2019-11-28 17:10:38,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:10:38,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:10:38,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:10:38,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:10:38,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:10:37" (1/3) ... [2019-11-28 17:10:38,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11631bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:10:38, skipping insertion in model container [2019-11-28 17:10:38,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:37" (2/3) ... [2019-11-28 17:10:38,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11631bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:10:38, skipping insertion in model container [2019-11-28 17:10:38,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:38" (3/3) ... [2019-11-28 17:10:38,250 INFO L109 eAbstractionObserver]: Analyzing ICFG elimination_max.c [2019-11-28 17:10:38,262 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:10:38,269 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-28 17:10:38,286 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-28 17:10:38,311 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:10:38,311 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:10:38,311 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:10:38,311 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:10:38,312 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:10:38,312 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:10:38,312 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:10:38,312 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:10:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-11-28 17:10:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 17:10:38,331 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:10:38,332 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:10:38,332 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:10:38,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:10:38,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1804411268, now seen corresponding path program 1 times [2019-11-28 17:10:38,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:10:38,347 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424516045] [2019-11-28 17:10:38,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 17:10:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:38,432 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 17:10:38,437 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:10:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:38,452 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:10:38,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:38,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424516045] [2019-11-28 17:10:38,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:10:38,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 17:10:38,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392590657] [2019-11-28 17:10:38,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:10:38,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:10:38,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:10:38,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:10:38,482 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2019-11-28 17:10:38,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:10:38,502 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-11-28 17:10:38,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:10:38,503 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-28 17:10:38,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:10:38,514 INFO L225 Difference]: With dead ends: 35 [2019-11-28 17:10:38,515 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 17:10:38,519 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:10:38,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 17:10:38,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 17:10:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 17:10:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2019-11-28 17:10:38,558 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 7 [2019-11-28 17:10:38,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:10:38,559 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2019-11-28 17:10:38,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:10:38,559 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2019-11-28 17:10:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 17:10:38,560 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:10:38,560 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:10:38,771 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 17:10:38,772 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:10:38,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:10:38,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1804113358, now seen corresponding path program 1 times [2019-11-28 17:10:38,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:10:38,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796363825] [2019-11-28 17:10:38,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 17:10:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:38,831 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 17:10:38,832 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:10:38,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:39,011 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:10:39,093 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 17:10:39,094 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2019-11-28 17:10:39,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:39,099 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 17:10:39,117 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 17:10:39,118 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 17:10:39,119 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:20 [2019-11-28 17:10:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:39,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796363825] [2019-11-28 17:10:39,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:10:39,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2019-11-28 17:10:39,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607942733] [2019-11-28 17:10:39,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 17:10:39,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:10:39,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 17:10:39,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:10:39,209 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand 9 states. [2019-11-28 17:10:39,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:10:39,773 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2019-11-28 17:10:39,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:10:39,775 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 7 [2019-11-28 17:10:39,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:10:39,778 INFO L225 Difference]: With dead ends: 30 [2019-11-28 17:10:39,778 INFO L226 Difference]: Without dead ends: 28 [2019-11-28 17:10:39,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2019-11-28 17:10:39,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-28 17:10:39,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 19. [2019-11-28 17:10:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 17:10:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-28 17:10:39,797 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7 [2019-11-28 17:10:39,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:10:39,797 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-28 17:10:39,799 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 17:10:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-28 17:10:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 17:10:39,801 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:10:39,801 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:10:40,002 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 17:10:40,003 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:10:40,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:10:40,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1363506767, now seen corresponding path program 1 times [2019-11-28 17:10:40,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:10:40,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660378751] [2019-11-28 17:10:40,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 17:10:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:40,081 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 17:10:40,083 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:10:40,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:40,468 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:10:40,962 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-11-28 17:10:40,964 INFO L343 Elim1Store]: treesize reduction 17, result has 83.0 percent of original size [2019-11-28 17:10:40,964 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 90 [2019-11-28 17:10:40,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:40,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:40,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:40,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:40,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:40,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:40,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:40,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:40,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:41,056 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-11-28 17:10:41,218 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2019-11-28 17:10:41,219 INFO L614 ElimStorePlain]: treesize reduction 235, result has 14.9 percent of original size [2019-11-28 17:10:41,220 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 17:10:41,221 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:58, output treesize:41 [2019-11-28 17:10:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:41,359 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660378751] [2019-11-28 17:10:41,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:10:41,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-11-28 17:10:41,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686624773] [2019-11-28 17:10:41,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 17:10:41,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:10:41,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 17:10:41,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-11-28 17:10:41,361 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 13 states. [2019-11-28 17:10:44,235 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2019-11-28 17:10:44,727 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2019-11-28 17:10:45,554 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2019-11-28 17:10:45,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:10:45,611 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2019-11-28 17:10:45,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-28 17:10:45,615 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 9 [2019-11-28 17:10:45,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:10:45,616 INFO L225 Difference]: With dead ends: 51 [2019-11-28 17:10:45,616 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 17:10:45,617 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2019-11-28 17:10:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 17:10:45,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 23. [2019-11-28 17:10:45,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-28 17:10:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2019-11-28 17:10:45,625 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 9 [2019-11-28 17:10:45,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:10:45,626 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-11-28 17:10:45,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 17:10:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-11-28 17:10:45,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 17:10:45,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:10:45,627 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:10:45,830 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 17:10:45,831 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:10:45,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:10:45,832 INFO L82 PathProgramCache]: Analyzing trace with hash -875811110, now seen corresponding path program 1 times [2019-11-28 17:10:45,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:10:45,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301089177] [2019-11-28 17:10:45,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 17:10:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:45,888 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 17:10:45,890 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:10:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:45,913 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:10:45,935 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 17:10:45,936 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2019-11-28 17:10:45,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:45,941 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 17:10:45,944 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 17:10:45,945 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 17:10:45,945 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:11 [2019-11-28 17:10:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:45,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301089177] [2019-11-28 17:10:45,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:10:45,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-28 17:10:45,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192903481] [2019-11-28 17:10:45,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:10:45,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:10:45,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:10:45,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:10:45,972 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand 8 states. [2019-11-28 17:10:46,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:10:46,185 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2019-11-28 17:10:46,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:10:46,186 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-28 17:10:46,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:10:46,187 INFO L225 Difference]: With dead ends: 46 [2019-11-28 17:10:46,187 INFO L226 Difference]: Without dead ends: 44 [2019-11-28 17:10:46,188 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2019-11-28 17:10:46,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-28 17:10:46,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 33. [2019-11-28 17:10:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 17:10:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2019-11-28 17:10:46,196 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 10 [2019-11-28 17:10:46,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:10:46,197 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2019-11-28 17:10:46,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:10:46,197 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2019-11-28 17:10:46,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 17:10:46,198 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:10:46,198 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:10:46,411 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 17:10:46,412 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:10:46,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:10:46,412 INFO L82 PathProgramCache]: Analyzing trace with hash -312786986, now seen corresponding path program 1 times [2019-11-28 17:10:46,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:10:46,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239377376] [2019-11-28 17:10:46,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-28 17:10:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:46,510 WARN L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-28 17:10:46,513 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:10:46,854 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-11-28 17:10:47,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:47,213 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:10:48,202 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-11-28 17:10:48,204 INFO L343 Elim1Store]: treesize reduction 17, result has 83.0 percent of original size [2019-11-28 17:10:48,205 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 93 [2019-11-28 17:10:48,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,206 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,206 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,208 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,248 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,265 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,266 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,267 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,272 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,275 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,275 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:10:48,289 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 17:10:48,448 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-11-28 17:10:48,449 INFO L614 ElimStorePlain]: treesize reduction 12, result has 83.3 percent of original size [2019-11-28 17:10:48,449 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 17:10:48,450 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:86, output treesize:60 [2019-11-28 17:10:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:48,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239377376] [2019-11-28 17:10:48,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:10:48,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2019-11-28 17:10:48,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376811333] [2019-11-28 17:10:48,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-28 17:10:48,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:10:48,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-28 17:10:48,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2019-11-28 17:10:48,809 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand 17 states. [2019-11-28 17:10:49,352 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-11-28 17:10:51,914 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-11-28 17:10:52,576 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-11-28 17:10:53,011 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2019-11-28 17:10:53,472 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-11-28 17:10:53,956 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-11-28 17:10:56,559 WARN L192 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 53 [2019-11-28 17:10:57,193 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-11-28 17:10:57,687 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 37 [2019-11-28 17:10:58,488 WARN L192 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-11-28 17:10:59,024 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-11-28 17:10:59,386 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 40 [2019-11-28 17:11:00,308 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-11-28 17:11:00,560 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-11-28 17:11:00,949 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 40 [2019-11-28 17:11:00,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:11:00,991 INFO L93 Difference]: Finished difference Result 87 states and 107 transitions. [2019-11-28 17:11:00,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-28 17:11:00,992 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 11 [2019-11-28 17:11:00,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:11:00,993 INFO L225 Difference]: With dead ends: 87 [2019-11-28 17:11:00,993 INFO L226 Difference]: Without dead ends: 85 [2019-11-28 17:11:00,996 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=358, Invalid=1124, Unknown=0, NotChecked=0, Total=1482 [2019-11-28 17:11:00,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-11-28 17:11:01,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 40. [2019-11-28 17:11:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 17:11:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2019-11-28 17:11:01,007 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 58 transitions. Word has length 11 [2019-11-28 17:11:01,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:11:01,008 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 58 transitions. [2019-11-28 17:11:01,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-28 17:11:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2019-11-28 17:11:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 17:11:01,009 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:11:01,009 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:11:01,210 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 17:11:01,211 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:11:01,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:11:01,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1460373334, now seen corresponding path program 2 times [2019-11-28 17:11:01,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 17:11:01,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486374016] [2019-11-28 17:11:01,213 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 17:11:01,250 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 17:11:01,250 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 17:11:01,252 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 17:11:01,255 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:11:01,268 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-11-28 17:11:01,269 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 17:11:01,271 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 17:11:01,272 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 17:11:01,272 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-11-28 17:11:01,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:11:01,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-28 17:11:01,302 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 17:11:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-28 17:11:11,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486374016] [2019-11-28 17:11:11,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:11:11,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-28 17:11:11,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305663714] [2019-11-28 17:11:11,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:11:11,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 17:11:11,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:11:11,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=35, Unknown=5, NotChecked=0, Total=56 [2019-11-28 17:11:11,424 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand 8 states. [2019-11-28 17:11:15,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:11:15,533 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions. [2019-11-28 17:11:15,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:11:15,533 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-28 17:11:15,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:11:15,533 INFO L225 Difference]: With dead ends: 40 [2019-11-28 17:11:15,534 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:11:15,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=31, Invalid=52, Unknown=7, NotChecked=0, Total=90 [2019-11-28 17:11:15,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:11:15,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:11:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:11:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:11:15,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-28 17:11:15,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:11:15,535 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:11:15,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:11:15,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:11:15,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:11:15,736 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 17:11:15,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:11:16,035 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2019-11-28 17:11:17,423 WARN L192 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2019-11-28 17:11:17,445 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-28 17:11:17,445 INFO L246 CegarLoopResult]: For program point L40-2(lines 40 42) no Hoare annotation was computed. [2019-11-28 17:11:17,446 INFO L242 CegarLoopResult]: At program point L40-3(lines 40 42) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (and (= .cse0 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (or (forall ((v_ULTIMATE.start_main_~i~0_15 (_ BitVec 32))) (let ((.cse1 (bvmul ULTIMATE.start_main_~x~0 (_ bv4 32))) (.cse2 (bvmul v_ULTIMATE.start_main_~i~0_15 (_ bv4 32)))) (or (= .cse1 .cse2) (= (bvadd .cse2 (_ bv4294967292 32)) .cse1) (= (bvmul ULTIMATE.start_main_~y~0 (_ bv4 32)) .cse2) (not (bvslt v_ULTIMATE.start_main_~i~0_15 ULTIMATE.start_main_~n~0)) (not (bvsle (_ bv0 32) v_ULTIMATE.start_main_~i~0_15))))) (bvslt (bvadd ULTIMATE.start_main_~x~0 (_ bv1 32)) (bvadd ULTIMATE.start_main_~y~0 (_ bv4294967295 32))) (not (bvslt ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0))) (bvslt ULTIMATE.start_main_~n~0 (_ bv1073741824 32)) (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (bvsge ULTIMATE.start_main_~n~0 (_ bv0 32)) (= |ULTIMATE.start_main_#t~malloc3.offset| (_ bv0 32)) (= (select |#memory_int| |ULTIMATE.start_main_#t~malloc3.base|) .cse0))) [2019-11-28 17:11:17,446 INFO L246 CegarLoopResult]: For program point L40-4(lines 40 42) no Hoare annotation was computed. [2019-11-28 17:11:17,446 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:11:17,446 INFO L246 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-11-28 17:11:17,446 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:11:17,446 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:11:17,446 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-28 17:11:17,447 INFO L246 CegarLoopResult]: For program point L20-2(lines 20 32) no Hoare annotation was computed. [2019-11-28 17:11:17,447 INFO L249 CegarLoopResult]: At program point L45(lines 11 46) the Hoare annotation is: true [2019-11-28 17:11:17,447 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:11:17,447 INFO L246 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-11-28 17:11:17,447 INFO L246 CegarLoopResult]: For program point L5-1(lines 5 7) no Hoare annotation was computed. [2019-11-28 17:11:17,447 INFO L246 CegarLoopResult]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-11-28 17:11:17,447 INFO L242 CegarLoopResult]: At program point L30-2(lines 20 32) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (and (= .cse0 (select |#memory_int| ULTIMATE.start_main_~a~0.base)) (bvslt ULTIMATE.start_main_~n~0 (_ bv1073741824 32)) (bvsge ULTIMATE.start_main_~n~0 (_ bv0 32)) (= |ULTIMATE.start_main_#t~malloc3.offset| (_ bv0 32)) (= (select |#memory_int| |ULTIMATE.start_main_#t~malloc3.base|) .cse0))) [2019-11-28 17:11:17,447 INFO L246 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-28 17:11:17,448 INFO L246 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-11-28 17:11:17,448 INFO L246 CegarLoopResult]: For program point L6-3(line 6) no Hoare annotation was computed. [2019-11-28 17:11:17,448 INFO L246 CegarLoopResult]: For program point L6-4(line 6) no Hoare annotation was computed. [2019-11-28 17:11:17,454 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 17:11:17,458 INFO L168 Benchmark]: Toolchain (without parser) took 40075.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.2 MB). Free memory was 961.7 MB in the beginning and 1.2 GB in the end (delta: -278.7 MB). Peak memory consumption was 371.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:11:17,459 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:11:17,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:11:17,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:11:17,461 INFO L168 Benchmark]: Boogie Preprocessor took 30.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:11:17,461 INFO L168 Benchmark]: RCFGBuilder took 383.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:11:17,462 INFO L168 Benchmark]: TraceAbstraction took 39216.85 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 162.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -161.2 MB). Peak memory consumption was 378.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:11:17,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 383.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39216.85 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 162.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -161.2 MB). Peak memory consumption was 378.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...